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+// @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&dn=expat.txt Expat
+/**
+ * sort-table.js
+ * A pure JavaScript (no dependencies) solution to make HTML
+ * Tables sortable
+ *
+ * Copyright (c) 2013 Tyler Uebele
+ * Released under the MIT license. See included LICENSE.txt
+ * or http://opensource.org/licenses/MIT
+ *
+ * latest version available at https://github.com/tyleruebele/sort-table
+ */
+
+/**
+ * Sort the rows in a HTML Table
+ *
+ * @param Table The Table DOM object
+ * @param col The zero-based column number by which to sort
+ * @param dir Optional. The sort direction; pass 1 for asc; -1 for desc
+ * @returns void
+ */
+function sortTable(Table, col, dir) {
+ var sortClass, i;
+
+ // get previous sort column
+ sortTable.sortCol = -1;
+ sortClass = Table.className.match(/js-sort-\d+/);
+ if (null != sortClass) {
+ sortTable.sortCol = sortClass[0].replace(/js-sort-/, '');
+ Table.className = Table.className.replace(new RegExp(' ?' + sortClass[0] + '\\b'), '');
+ }
+ // If sort column was not passed, use previous
+ if ('undefined' === typeof col) {
+ col = sortTable.sortCol;
+ }
+
+ if ('undefined' !== typeof dir) {
+ // Accept -1 or 'desc' for descending. All else is ascending
+ sortTable.sortDir = dir == -1 || dir == 'desc' ? -1 : 1;
+ } else {
+ // sort direction was not passed, use opposite of previous
+ sortClass = Table.className.match(/js-sort-(a|de)sc/);
+ if (null != sortClass && sortTable.sortCol == col) {
+ sortTable.sortDir = 'js-sort-asc' == sortClass[0] ? -1 : 1;
+ } else {
+ sortTable.sortDir = 1;
+ }
+ }
+ Table.className = Table.className.replace(/ ?js-sort-(a|de)sc/g, '');
+
+ // update sort column
+ Table.className += ' js-sort-' + col;
+ sortTable.sortCol = col;
+
+ // update sort direction
+ Table.className += ' js-sort-' + (sortTable.sortDir == -1 ? 'desc' : 'asc');
+
+ // get sort type
+ if (col < Table.tHead.rows[Table.tHead.rows.length - 1].cells.length) {
+ sortClass = Table.tHead.rows[Table.tHead.rows.length - 1].cells[col].className.match(/js-sort-[-\w]+/);
+ }
+ // Improved support for colspan'd headers
+ for (i = 0; i < Table.tHead.rows[Table.tHead.rows.length - 1].cells.length; i++) {
+ if (col == Table.tHead.rows[Table.tHead.rows.length - 1].cells[i].getAttribute('data-js-sort-colNum')) {
+ sortClass = Table.tHead.rows[Table.tHead.rows.length - 1].cells[i].className.match(/js-sort-[-\w]+/);
+ }
+ }
+ if (null != sortClass) {
+ sortTable.sortFunc = sortClass[0].replace(/js-sort-/, '');
+ } else {
+ sortTable.sortFunc = 'string';
+ }
+ // Set the headers for the active column to have the decorative class
+ Table.querySelectorAll('.js-sort-active').forEach(function(Node) {
+ Node.className = Node.className.replace(/ ?js-sort-active\b/, '');
+ });
+ Table.querySelectorAll('[data-js-sort-colNum="' + col + '"]:not(:empty)').forEach(function(Node) {
+ Node.className += ' js-sort-active';
+ });
+
+ // sort!
+ var rows = [],
+ TBody = Table.tBodies[0];
+
+ for (i = 0; i < TBody.rows.length; i++) {
+ rows[i] = TBody.rows[i];
+ }
+ if ('none' != sortTable.sortFunc) {
+ rows.sort(sortTable.compareRow);
+ }
+
+ while (TBody.firstChild) {
+ TBody.removeChild(TBody.firstChild);
+ }
+ for (i = 0; i < rows.length; i++) {
+ TBody.appendChild(rows[i]);
+ }
+}
+
+/**
+ * Compare two table rows based on current settings
+ *
+ * @param RowA A TR DOM object
+ * @param RowB A TR DOM object
+ * @returns {number} 1 if RowA is greater, -1 if RowB, 0 if equal
+ */
+sortTable.compareRow = function(RowA, RowB) {
+ var valA, valB;
+ if ('function' != typeof sortTable[sortTable.sortFunc]) {
+ sortTable.sortFunc = 'string';
+ }
+ valA = sortTable[sortTable.sortFunc](RowA.cells[sortTable.sortCol]);
+ valB = sortTable[sortTable.sortFunc](RowB.cells[sortTable.sortCol]);
+
+ return valA == valB ? 0 : sortTable.sortDir * (valA > valB ? 1 : -1);
+};
+
+/**
+ * Strip all HTML, no exceptions
+ * @param html
+ * @returns {string}
+ */
+sortTable.stripTags = function(html) {
+ return html.replace(/<\/?[a-z][a-z0-9]*\b[^>]*>/gi, '');
+};
+
+/**
+ * Helper function that converts a table cell (TD) to a comparable value
+ * Converts innerHTML to a timestamp, 0 for invalid dates
+ *
+ * @param Cell A TD DOM object
+ * @returns {Number}
+ */
+sortTable.date = function(Cell) {
+ // If okDate library is available, Use it for advanced Date processing
+ if (okDate) {
+ var Date = okDate(sortTable.stripTags(Cell.innerHTML));
+ return Date ? Date.getTime() : 0;
+ } else {
+ return (new Date(sortTable.stripTags(Cell.innerHTML))).getTime() || 0;
+ }
+};
+
+/**
+ * Helper function that converts a table cell (TD) to a comparable value
+ * Converts innerHTML to a JS Number object
+ *
+ * @param Cell A TD DOM object
+ * @returns {Number}
+ */
+sortTable.number = function(Cell) {
+ return Number(sortTable.stripTags(Cell.innerHTML).replace(/[^-\d.]/g, ''));
+};
+
+/**
+ * Helper function that converts a table cell (TD) to a comparable value
+ * Converts innerHTML to a lower case string for insensitive compare
+ *
+ * @param Cell A TD DOM object
+ * @returns {String}
+ */
+sortTable.string = function(Cell) {
+ return sortTable.stripTags(Cell.innerHTML).toLowerCase();
+};
+
+/**
+ * Helper function that converts a table cell (TD) to a comparable value
+ *
+ * @param Cell A TD DOM object
+ * @returns {String}
+ */
+sortTable.raw = function(Cell) {
+ return Cell.innerHTML;
+};
+
+/**
+ * Helper function that converts a table cell (TD) to a comparable value
+ * Captures the last space-delimited token from innerHTML
+ *
+ * @param Cell A TD DOM object
+ * @returns {String}
+ */
+sortTable.last = function(Cell) {
+ return sortTable.stripTags(Cell.innerHTML).split(' ').pop().toLowerCase();
+};
+
+/**
+ * Helper function that converts a table cell (TD) to a comparable value
+ * Captures the value of the first childNode
+ *
+ * @param Cell A TD DOM object
+ * @returns {String}
+ */
+sortTable.input = function(Cell) {
+ for (var i = 0; i < Cell.children.length; i++) {
+ if ('object' == typeof Cell.children[i]
+ && 'undefined' != typeof Cell.children[i].value
+ ) {
+ return Cell.children[i].value.toLowerCase();
+ }
+ }
+
+ return sortTable.string(Cell);
+};
+
+/**
+ * Helper function that prevents sorting by always returning null
+ *
+ * @param Cell A TD DOM object
+ * @returns null
+ */
+sortTable.none = function(Cell) {
+ return null;
+};
+
+/**
+ * Return the click handler appropriate to the specified Table and column
+ *
+ * @param Table Table to sort
+ * @param col Column to sort by
+ * @returns {Function} Click Handler
+ */
+sortTable.getClickHandler = function(Table, col) {
+ return function() {
+ sortTable(Table, col);
+ };
+};
+
+/**
+ * Attach sortTable() calls to table header cells' onclick events
+ * If the table(s) do not have a THead node, one will be created around the
+ * first row
+ */
+sortTable.init = function() {
+ var THead, Tables, Handler;
+ if (document.querySelectorAll) {
+ Tables = document.querySelectorAll('table.js-sort-table');
+ } else {
+ Tables = document.getElementsByTagName('table');
+ }
+
+ for (var i = 0; i < Tables.length; i++) {
+ // Because IE<8 doesn't support querySelectorAll, skip unclassed tables
+ if (!document.querySelectorAll && null === Tables[i].className.match(/\bjs-sort-table\b/)) {
+ continue;
+ }
+
+ // Prevent repeat processing
+ if (Tables[i].attributes['data-js-sort-table']) {
+ continue;
+ }
+
+ // Ensure table has a tHead element
+ if (!Tables[i].tHead) {
+ THead = document.createElement('thead');
+ THead.appendChild(Tables[i].rows[0]);
+ Tables[i].insertBefore(THead, Tables[i].children[0]);
+ } else {
+ THead = Tables[i].tHead;
+ }
+
+ // Attach click events to table header
+ for (var rowNum = 0; rowNum < THead.rows.length; rowNum++) {
+ for (var cellNum = 0, colNum = 0; cellNum < THead.rows[rowNum].cells.length; cellNum++) {
+ console.log(cellNum, rowNum, THead);
+ // Define which column the header should invoke sorting for
+ THead.rows[rowNum].cells[cellNum].setAttribute('data-js-sort-colNum', colNum);
+ Handler = sortTable.getClickHandler(Tables[i], colNum);
+ window.addEventListener
+ ? THead.rows[rowNum].cells[cellNum].addEventListener('click', Handler)
+ : window.attachEvent && THead.rows[rowNum].cells[cellNum].attachEvent('onclick', Handler);
+ colNum += THead.rows[rowNum].cells[cellNum].colSpan;
+ }
+ }
+
+ // Mark table as processed
+ Tables[i].setAttribute('data-js-sort-table', 'true')
+ }
+
+ // Add default styles as the first style in head so they can be easily overwritten by user styles
+ var element = document.createElement('style');
+ document.head.insertBefore(element, document.head.childNodes[0]);
+ var sheet = element.sheet;
+ sheet.insertRule('table.js-sort-asc thead tr > .js-sort-active:not(.js-sort-none):after {content: "\\25b2";font-size: 0.7em;padding-left: 3px;line-height: 0.7em;}', 0);
+ sheet.insertRule('table.js-sort-desc thead tr > .js-sort-active:not(.js-sort-none):after {content: "\\25bc";font-size: 0.7em;padding-left: 3px;line-height: 0.7em;}', 0);
+};
+
+// Run sortTable.init() when the page loads
+window.addEventListener
+ ? window.addEventListener('load', sortTable.init, false)
+ : window.attachEvent && window.attachEvent('onload', sortTable.init)
+ ;
+
+// Shim for IE11's lack of NodeList.prototype.forEach
+if (typeof NodeList.prototype.forEach !== "function") {
+ NodeList.prototype.forEach = Array.prototype.forEach;
+}
+// @license-end